﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace KL_W6000采集器数据解析
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        // 逆序CRC表
        private readonly byte[] aucCRCHi = new byte[]  {
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40
        };


        private readonly byte[] aucCRCLo = new byte[] {
            0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
            0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
            0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
            0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
            0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
            0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
            0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
            0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
            0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
            0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
            0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
            0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
            0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
            0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
            0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
            0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
            0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
            0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
            0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
            0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
            0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
            0x41, 0x81, 0x80, 0x40
        };


        //通过逆序CRC16表, 逆序CRC计算
        int CRC16(byte[] Frame, int Length)     // 传入要校验的数组名及其长度  
        {
            byte CRCHi = 0xFF;
            byte CRCLo = 0xFF;
            int iIndex = 0;


            for (int i = 0; i < Length; i++)
            {
                iIndex = CRCLo ^ (Frame[i++]);
                CRCLo = (byte)(CRCHi ^ aucCRCHi[iIndex]);
                CRCHi = aucCRCLo[iIndex];
            }


            return (int)(CRCHi << 8 | CRCLo);// CRC校验返回值   // CRCHI 向左移动，就是逆序计算的代表            
        }

        // button用来打开文件
        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Multiselect = true; // 确定可以打开多个文件
            ofd.Title = "请选择文件";
            ofd.Filter = "txt格式（*.txt）|*.txt|所有文件|*.*";

            if(ofd.ShowDialog() == DialogResult.OK)
            {
                string file = ofd.FileName;
                TextBox.AppendText(file + "\n"); // 显示路径
                TextBox.AppendText("KL-W6000 返回数据: " + "\n");
                System.IO.StreamReader streamReader = new System.IO.StreamReader(file, System.Text.Encoding.Default);
                String data = streamReader.ReadToEnd().TrimStart();
                String[] substrings = data.Split('\n');
                String time  = substrings[1]; // 第一行时间
                int spaceIndex = time.IndexOf(' ');
                if(spaceIndex > 0)
                {
                    time = "日期时间" + time.Substring(spaceIndex, time.Length - spaceIndex - 1) + ", ";
                    spaceIndex = substrings[2].IndexOf(" ");
                    if (spaceIndex > 0)
                    {
                        time += substrings[2].Substring(spaceIndex);
                    }
                    else
                    {
                        MessageBox.Show("数据非法（不是KL-W6000返回数据）");
                    }
                }
                else
                {
                    MessageBox.Show("数据非法（不是KL-W6000返回数据）");
                }

                String output = time;
                int i = 3;
                //for (int i = 3; i < substrings.Length; i++)
                //{
                String str = substrings[i];
                spaceIndex = str.IndexOf("C");
                str = str.Substring(0, spaceIndex); // 获得数据编号 这里出现Bug
                string numStr = str.Substring(spaceIndex + 1); // 获得数据内容
                spaceIndex = str.LastIndexOf(' ');
                numStr = str.Substring(spaceIndex);
                // 将数据转化为二进制串
                double num = Convert.ToDouble(numStr);
                long numLong = BitConverter.DoubleToInt64Bits(num);
                numStr = Convert.ToString(numLong, 2);
                byte[] bytes = Convert.FromBase64String(numStr);
                int crc = CRC16(bytes, bytes.Length - 2); // 去掉CRC校验位
                if (crc == (bytes[bytes.Length - 2] << 8 | bytes[bytes.Length - 1]))
                {
                    String reg1 = numStr.Substring(32, 4); // 开关量状态，只有开关量打开时才可以输出下面的数据
                    String reg2 = numStr.Substring(48, 4); // 暂时没有用
                    String reg3 = numStr.Substring(56, 16); // 温度传感器数据
                    String reg4 = numStr.Substring(72, 16); // 湿度传感器数据
                    bool[] states = new bool[4];
                    for (int j = 0; j < 4; j++)
                    {
                        if (reg1[i] == '1')
                        {
                            states[i] = true;
                        }
                    }

                    output += $"烟感状态: {states[0]} \n";
                    output += $"火感状态: {states[1]} \n";
                    output += $"红外状态: {states[2]} \n";
                    output += $"水浸状态: {states[3]} \n";
                    int tmper = Convert.ToInt32(reg3.Insert(reg3.Length - 2, ".")); // 温度数据
                    int moist = Convert.ToInt32(reg4.Insert(reg4.Length - 2, ".")); // 湿度数据
                    output += "环境温度: " + tmper + " ­°C";
                    output += "环境湿度: " + moist + " %";
                }
                else
                {
                    output += "未通过CRC校验";
                }
            // }
            TextBox.AppendText(output + "\n");
            }
        }

        private void TextBox_TextChanged(object sender, EventArgs e)
        {

        }
    }
}
